InChI=1S/C24H27NO9/c1-32-16-10-8-15(9-11-16)17(13-25-18(26)12-7-14-5-3-2-4-6-14)33-24-21(29)19(27)20(28)22(34-24)23(30)31/h2-12,17,19-22,24,27-29H,13H2,1H3,(H,25,26)(H,30,31)/b12-7+